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# emitter::periodicBurst

Emit a burst of particles periodically.

```
void emitter::periodicBurst(float2 intervalRange, uint burstSize)
```

## Parameters

`intervalRange`

minimum/maximum duration between spawns. After each burst, the interval
before the next burst will be chosen randomly in this interval.

`burstSize`

number of particles to emit at system creation or reset.

## Discussion> Visual: ![Graph](emitter__periodicBurst)

> Note: Reads from emitter state `PeriodicEmitterState state`, if it exists

---

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